Subway

Subway Tuna (6-inch) Calories & Nutrition

Subway Tuna (6-inch): 480 cal, 20g protein, 40g carbs, 25g fat per 6-inch on 9-Grain Wheat, with cheese. Full macros and lighter ordering swaps.

By Bento Bunny Team

The Tuna (6-inch) at Subway (6-inch on 9-Grain Wheat, with cheese) contains 480 calories, with 20g of protein, 40g of carbs, and 25g of fat. Below is the full nutrition breakdown, how it compares to other 6-inch subs on the menu, and the fastest way to log it.

Where the calories come from

Splitting the 480 calories by macro: 17% from protein, 34% from carbs, and 48% from fat. In the Tuna (6-inch), fat is the biggest contributor at roughly 48% of calories (25g × 9 cal/g). That makes the tuna (6-inch) more calorie-dense than the gram counts suggest — small portion differences move the total quickly.

Lighter swaps and ordering tips

The tuna mix already contains mayo — that's most of the fat.

Keep in mind that published numbers describe the standard build — every added sauce, swapped side, or upsized portion moves the totals from the table above.

Other 6-inch subs at Subway

ItemCaloriesProteinCarbsFat
Tuna (6-inch)48020g40g25g
Steak & Cheese (6-inch)36026g42g10g
Sweet Onion Chicken Teriyaki (6-inch)37025g55g5g
Veggie Delite (6-inch)2309g40g3.5g

The fastest way to log a Subway order

Official numbers like the ones above describe a textbook tuna (6-inch) — not the one with extra cheese or the sauce you asked for on the side. Instead of hunting through a database for the closest match, take a photo in Bento Bunny: the app recognises what's actually on the tray, estimates portions, and files the macros into your day. On iOS 26+ the AI runs entirely on-device.

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Frequently Asked Questions

How many calories are in the Subway Tuna (6-inch)?
The Tuna (6-inch) at Subway contains 480 calories (6-inch on 9-Grain Wheat, with cheese), made up of 20g of protein, 40g of carbohydrates, and 25g of fat.
How much protein is in the Tuna (6-inch)?
The Tuna (6-inch) provides 20g of protein, which is roughly 40% of the FDA daily value of 50g.
Is the Tuna (6-inch) healthy? How does it fit a 2,000-calorie day?
At 480 calories, the Tuna (6-inch) takes up about 24% of a 2,000-calorie day. Whether it "fits" depends on the rest of your day: the macro split is 20g protein / 40g carbs / 25g fat, so plan the surrounding meals around whichever number is hardest for you to hit.
What's the easiest way to track the Tuna (6-inch)?
Photo-based logging is the fastest path — Bento Bunny recognises your Tuna (6-inch) from a single picture, including customizations the standard database entry misses, and adds the macros to your day automatically.